Investigates how Brazilian child candy sellers form and use mathematical understandings. Finds that sellers use knowledge acquired through business activity to work school problems, while only a limited part of school learning is applied to the out-of-school situations. (FMW)

The papers and research reports in this monograph form two parts. Part I is intended to help geography educators learn more about how children conceptualize space. The validity of Piaget's views on the evolution of conceptions of territorial size among children of different countries was investigated. Reflecting a different concern for educators…